310 Annals of the Carnegie Museum. 



Genus Basiliscus Laurenti. 

 II. Basiliscus americanus (Linnaeus). 



Lacerta basiliscus LiNN^us, Syst. Nat., 12 ed., I, 1766, p. 366. 

 Basiliscus americanus Boulenger, Cat. Lizards, II, 1885, p. 108. 



The museum has two young specimens collected at Bonda, Colombia, 

 by H. H. Smith; C. M. No. 937, female, and C. M. No. 938, male. 



Genus Iguana Laurenti. 

 12. Iguana tuberculata Laurenti. 



Iguana tuberculata Laurenti, Syn. Rept., 1768, p. 49. 

 Iguana tuberculata Boulenger, Cat. Lizards, II, 1885, p. 189. 



The five specimens of the collection were received from the following 

 sources: 

 C. M. No. 944, cf , young, Bom Jesus de Lapa, Bahia, Brazil. Hase- 



man coll. 

 C. M. No. 945, 9 , young, Januaria, Minas Geraes, Brazil. Haseman 



coll. 

 C. M. No. 963, cf, young, Cachoele de Ribeirao, Brazilian side of the 



Rio Madeira. Haseman coll. 

 C. M. No. 1051, cf , adult, Santerem, Brazil. Haseman coll. 

 C. M. No. 936, 9 , adult, Bonda, Colombia. Smith coll. 



Genus Liocephalus Gray. 

 13. Liocephalus tricristatus (Dumeril). 



Ophryoessoides tricristatus A. Dumeril, Cat. Meth. Rept., 1851, p. 66. 

 Liocephalus tricristatus Boulenger, Cat. Lizards, II, 1885, p. 170. 



The five specimens of the museum were all collected by Steinbach in 

 Bolivia. They are listed under the following numbers: 

 C. M. No. 966, cf , Santa Cruz de la Sierra, Bolivia. 

 C. M. No. 969, 9 , Santa Cruz de la Sierra, Bolivia. 

 C. M. No. 970, 9 , Las Juntas, Bolivia. 

 C. M. No. 976, cT, Provincia del Sara, Bolivia. 

 C. M. No. 980, 9 , Provincia del Sara, Bolivia. 



The back is uniformly colored, or crossed by several angular, dark 

 brown bars, the posteriorly directed points of the bars lying on the 

 vertebral line, or with only a few dark brown to black spots on the 

 shoulders. The end of the snout is covered by a semicircular dark 

 patch, with a light posterior border. Above and in front of the fore- 



